Paris, Alphonse Picard, 1889.
LXXXVIII,255 p. Boards. 21 cm (Latin letters, French notes) (1 leaf loose. Fold in the back. Paper yellowing)
Weimar, Hermann Böhlaus Nachfolger, 1966.
286 p. Wrappers. 26.5 cm (MGH, Die Briefe der deutschen Kaiserzeit, 2) (In 999 G. was elected Pope Silvester II)